Package include: 10PCS: 5Pairs (5PCS Female Wire& 5PCS Male Wire) 20PCS: 10Pairs (10PCS Female Wire & 10PCS Male Wire) 50PCS: 25Pairs (25PCS Female Wire & 25PCS Male Wire) Overview of product parameters: Rated temperature: -20°C — +90°C Rated voltage: 1V-36V Connector polarity: inner nice + (red wire); external negative-(through black wire) Conductor specification: unmarried zero (0 square) Insulation: PVC sheath Insulation material: environmentally friendly polyvinyl chloride (PVC) Conductor material: TS/AS single oxygen-free natural copper Single or stranded naked copper or tinned copper wire (tinned copper cord is 0) Functional use: used for monitoring or LED and other digital equipment Transmission characteristics: tuning fork buckle, good contact level Long carrier life, clean to be mushy and straightforward to install